CN112726560A - Vibroflotation equipment with through and discharging - Google Patents
Vibroflotation equipment with through and discharging Download PDFInfo
- Publication number
- CN112726560A CN112726560A CN202011636654.5A CN202011636654A CN112726560A CN 112726560 A CN112726560 A CN 112726560A CN 202011636654 A CN202011636654 A CN 202011636654A CN 112726560 A CN112726560 A CN 112726560A
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- 238000007599 discharging Methods 0.000 title claims abstract description 9
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 239000004575 stone Substances 0.000 abstract description 13
- 238000000034 method Methods 0.000 description 7
- 239000002689 soil Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000006096 absorbing agent Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/02—Improving by compacting
- E02D3/046—Improving by compacting by tamping or vibrating, e.g. with auxiliary watering of the soil
- E02D3/054—Improving by compacting by tamping or vibrating, e.g. with auxiliary watering of the soil involving penetration of the soil, e.g. vibroflotation
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Agronomy & Crop Science (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
The invention relates to vibroflotation equipment with a through and downward discharging function, which belongs to the technical field of vibroflotation devices and comprises a vibroflotation device and a motor, wherein a first flange is connected between the vibroflotation device and the motor. The invention can design the stone channel between the guide rod and the vibroflotation device, has simple structure and convenient processing, and improves the quality and efficiency of pore-forming.
Description
Technical Field
The invention relates to vibroflotation equipment with a through lower discharge function, and belongs to the technical field of vibroflots.
Background
In the field of composite foundation construction, vibroflotation piles have become the main technical means for improving the bearing capacity of the foundation and reducing settlement. The existing vibroflotation method is usually adopted for building vibroflotation piles, and is also called vibroflotation method, wherein a vibroflotation device is hoisted by a crane, a submersible motor is started to drive an eccentric block, so that a vibrator generates high-frequency vibration, a water pump is started at the same time, high-pressure water flow is sprayed through a nozzle, under the combined action of vibration and vibroflotation, the vibrator is sunk to a preset depth in soil, broken stones are filled into the hole section by section from the ground after the hole is cleaned, the broken stones are compacted under the vibration effect, the vibrator can be lifted after the required compactness is achieved, and the process is repeated until the ground. Thus, a large-diameter compact pile body can be formed in the foundation and forms a composite foundation with the original foundation, the bearing capacity of the foundation can be effectively improved, the settlement is reduced, the method is widely applied to the aspects of treating soil liquefaction, reducing mountain landslide, increasing soil layer seismic capacity and the like, and the method is a rapid, economic and effective reinforcing method.
In the prior art, the stone enters the shock absorber from the guide rod, then enters the discharge channel 5 of the stone as shown in figure 1 from the shock absorber, and the discharge channel 5 is arranged on the outer side of the vibroflotation device 4, so that the cross section of the vibroflotation device is enlarged, the center of gravity deviates from the axis of the vibroflotation device, the hole forming is easy to deviate, and the production efficiency is low.
Disclosure of Invention
Aiming at the problems, the invention provides the vibroflotation equipment with the through and down discharging function, wherein a stone channel is designed between a guide rod and a vibroflotation device, the vibroflotation equipment is simple in structure and convenient to process, and the pore-forming quality and efficiency are improved, and the technical scheme is as follows:
the utility model provides a shake towards equipment with well logical ejection of compact down, includes and shakes towards ware, motor, shake and be connected with first flange between dashing ware and the motor, shake towards ware, motor and be hollow structure, shake towards ware including first casing, shake the drift, be used for the first pipe of rubble unloading, the periphery of first pipe is provided with the eccentric block, the drift that shakes is equipped with the through-hole that is used for installing first pipe, the motor is including the second pipe that is used for with first pipe intercommunication, first pipe is located the middle part of first casing, the lower part of first pipe penetrates the through-hole, the top and the second pipe intercommunication of first pipe, the eccentric block cover is on first casing, the eccentric block upper end is connected with the motor, the lower extreme of eccentric block with shake the drift and be connected.
Further, the motor is characterized by further comprising a second shell, a stator, a rotor, a motor shaft and a motor end cover, wherein the stator, the rotor and the motor shaft are of a hollow structure, the bottom of the second shell is fixedly connected with a first flange, the top of the second shell is connected with the motor end cover, the stator is arranged on the inner side of the second shell, the rotor is arranged on the inner side of the stator, the rotor is sleeved on the periphery of the motor shaft, the motor shaft is sleeved on the periphery of a second round pipe, and the lower portion of the motor shaft penetrates through the first flange and is connected with the eccentric block.
Furthermore, first self-aligning roller bearings are arranged between the two ends of the motor shaft and the second circular tube, and an oil seal is arranged between the lower portion of the motor shaft and the first flange.
Further, the eccentric block includes sectorial eccentric block main part, the front end of eccentric block main part is provided with the shaft hole, the upper end of eccentric block main part is equipped with first recess, the lower extreme of eccentric block main part is equipped with the second recess, the tank bottom intercommunication of first recess and second recess, first drum is installed to the first recess, the second drum is installed to the second recess, the top of first drum is provided with the second flange that is used for being connected with the motor spindle, the eccentric block cover is in first pipe periphery, the second flange is installed on first drum top, the second flange is connected with the motor spindle, the second drum with shake the drift and be connected, eccentric block and first casing inboard are provided with the gum cover.
Further, the outer diameter of the second flange is the same as the outer diameter of the eccentric block main body, the inner diameter of the second flange, the inner diameter of the first cylinder and the inner diameter of the second cylinder are the same, the inner diameter of the first cylinder is larger than the aperture of the shaft hole, and the inner diameter of the second cylinder is larger than the aperture of the shaft hole.
Further, a coupler is installed on the second flange, a second self-aligning roller bearing is arranged between the second cylinder and the vibrating punch, tapered roller bearings are arranged among the first cylinder, the second cylinder and the first cylinder, and the second flange is connected with the motor shaft through the coupler.
The invention has the beneficial effects that:
according to the invention, the discharging channel of stone is designed between the guide rod and the vibroflot, the structure is simple, the processing is convenient, the gravity center of the vibroflot is coaxial with the axis, the problem of easy deviation of hole forming is avoided, and the quality and the efficiency of hole forming are improved.
Drawings
FIG. 1 is a schematic view of a prior art vibro-impact apparatus and a tapping channel;
FIG. 2 is a schematic view of a vibroflotation device with through bottom discharge;
FIG. 3 is a cross-sectional view of a vibro-impact apparatus with through-the-bottom discharge;
FIG. 4 is a schematic view of the eccentric mass;
FIG. 5 is a sectional view of the eccentric mass.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that the terms "top," "middle," "bottom," "upper," "lower," "side," "inner," "left side," "right side," and the like are used in the illustrated orientation or positional relationship based on the drawings for ease of description and simplicity of description, but do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting.
The vibroflotation equipment with through and down discharging function shown in fig. 2-3 comprises a vibroflotation device 1, a motor 2 and a first flange 3, wherein the first flange 3 is connected between the vibroflotation device 1 and the motor 2, the vibroflotation device 1 and the motor 2 are both of a hollow structure, so that stone can enter a guide rod above the vibroflotation device into the motor and then enter the vibroflotation device from the motor, and broken stones are filled into holes with preset depth from the bottom of the vibroflotation device.
The motor 2 comprises a second circular tube 21, a second shell 22, a stator 23, a rotor 24, a motor shaft 25, a motor end cover 26, a first self-aligning roller bearing 27 and a first deep groove bearing 28, wherein the stator 23, the rotor 24 and the motor shaft 25 are all of a hollow structure, the bottom of the second shell 22 is fixedly connected with a first flange 3, the top of the second shell 22 is connected with the motor end cover 26, the stator 23 is arranged on the inner side of the second shell 22, the rotor 24 is arranged on the inner side of the stator 23, the rotor 24 is sleeved on the periphery of the motor shaft 25, the motor shaft 25 is sleeved on the periphery of the second circular tube 21, and the lower part of the motor shaft 25 penetrates through the first flange 3 and is connected with the eccentric block 14.
Specifically, an oil seal 31 is arranged between the lower part of the motor shaft 25 and the first flange 3, and dust on a construction site can be prevented from entering the motor to influence the performance of the motor through the oil seal. In addition, a first self-aligning roller bearing 27 is arranged between the two ends of the motor shaft 25 and the second circular tube 21, a first deep groove bearing 28 is arranged between the two ends of the motor shaft 25 and the second channel 24, as shown in fig. 2, the first self-aligning roller bearing 27 is matched with the first deep groove bearing 28, wherein the first self-aligning roller bearing 27 positioned at the top of the motor shaft 25 is positioned above the first deep groove bearing 28, the first self-aligning roller bearing 27 positioned at the bottom of the motor shaft 25 is positioned below the first deep groove bearing 28, the first self-aligning roller bearing 27 can bear the force in two directions of axial force and radial force, and the stress distribution is more uniform due to the close fit of the rollers and the roller paths, so that the coaxiality of the motor shaft 25 and the second circular tube 21 can be improved.
The vibroflotation device 1 comprises a first shell 11, a vibroflotation head 12, a first round pipe 13, an eccentric block 14, a through hole 121, wherein the middle part of the vibroflotation head 12 is arranged at the through hole 121, the top end of the shell 11 is connected with a first flange 3, the bottom end of the shell 11 is fixedly connected with the vibroflotation head 12, the middle part of the first shell 11 is provided with the first round pipe 13, the lower part of the second round pipe 21 passes through the first flange 3 and the first round pipe 13, the lower part of the first round pipe 13 can penetrate through the through hole 121, so that stone finally fills in the hole from the through hole 121 of the vibroflotation head after entering the first round pipe 13 from a motor 2. In addition, the outer side of the first circular tube 13 is sleeved with an eccentric block 14, the upper end of the eccentric block 14 is connected with the motor 2, the lower end of the eccentric block 14 is connected with the vibroflot 12, and the rubber sleeve 16 is arranged on the inner sides of the eccentric block 14 and the first shell 11, so that the friction between the eccentric block 14 and the first shell 11 can be reduced.
The eccentric block 14 shown in fig. 4 to 5 includes a fan-shaped eccentric block main body 141, the front end of the eccentric block main body 141 is provided with a shaft hole 145, the upper end of the eccentric block main body 141 is provided with a first groove, the lower end of the eccentric block main body 141 is provided with a second groove, the first groove is communicated with the groove bottom of the second groove, the first groove is provided with a first cylinder 142, the second groove is provided with a second cylinder 143, the second cylinder 143 is connected with the vibro-hammer 12, the top end of the first cylinder 142 is provided with a second flange 144, the second flange 144 is provided with a coupling 15, and the second flange 144 is connected with the motor shaft 25 through the coupling 15. The motor shaft 25 drives the eccentric block 14 to rotate through the coupler, so that horizontal exciting force and amplitude distributed along the axial direction of the main shaft are generated, and the vibroflot can efficiently tap the surrounding soil.
In addition, a second self-aligning roller bearing 18 is disposed between the bottom of the second cylinder 143 and the vibroflotation head 12, wherein the second self-aligning roller bearing 27 can bear forces in two directions of an axial force and a radial force, the stress distribution is uniform, and the coaxiality of the eccentric block 14 and the second circular tube 21 can be improved. Tapered roller bearings 19 are arranged among the first cylinder 142, the second cylinder 143 and the first cylinder 13, wherein the tapered roller bearings 19 can bear combined radial and axial loads mainly generated when the eccentric block 14 is driven by a motor to run at a high speed, so that the eccentric block 14 has small jump during rotation, and the equipment runs stably.
Further, the outer diameter of the second flange 144 is the same as the outer diameter of the eccentric mass body 141, the inner diameter of the second flange 144, the inner diameter of the first cylinder 142, and the inner diameter of the second cylinder 143 are the same, the inner diameter of the first cylinder 142 is larger than the diameter of the shaft hole 145, and the inner diameter of the second cylinder 143 is larger than the diameter of the shaft hole 145. In the prior art, a plurality of eccentric blocks are generally fixed on a main shaft of the vibroflotation device, and a bearing is arranged between every two adjacent eccentric blocks, so that the bending moment born by a rotating shaft can be effectively reduced, and the rotating shaft is prevented from bending and deforming. The invention is equivalent to 3 eccentric blocks, namely the eccentric block at the top, the eccentric block at the middle part and the eccentric block at the lower part, and the abrasion of a plurality of eccentric blocks is reduced and the deformation of the main shaft caused by uneven stress is prevented by adopting an integrated molding design.
Principle of operation
The bumper 1 is hoisted by the crane, and the starting motor 2 drives the eccentric block 14, so that the vibrator 1 generates high-frequency vibration, the water pump is started at the same time, and high-pressure water flow is sprayed through the nozzle, meanwhile, crushed stone enters the second round pipe 21 of the motor 2 from the guide rod above the bumper 1, then the crushed stone falls into the first round pipe 13 and finally falls into the through hole 121 of the bumper 12, then the bumper 1 is lifted, the stone in the bumper 1 is sunk into the hole with the preset depth in the soil, so that the bumper is compacted under the combined action of the bumper 1 and the bumper, the vibrator can be lifted after the required compactness is reached, and the operation is repeated until the ground.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. The utility model provides a shake towards equipment with ejection of compact under well expert, includes shake towards ware (1), motor (2), shake and be connected with first flange (3) between towards ware (1) and the motor (2), its characterized in that, shake towards ware (1), motor (2) and be hollow structure, shake towards ware (1) including first casing (11), shake towards head (12), be used for rubble unloading first pipe (13), the periphery of first pipe (13) is provided with eccentric block (14), it is equipped with through-hole (121) that is used for installing first pipe (13) to shake towards head (12), motor (2) are including being used for second pipe (21) with first pipe (13) intercommunication, first pipe (13) are located the middle part of first casing (11), the lower part of first pipe (13) penetrates through-hole (121), the top and the second pipe (21) intercommunication of first pipe (13), the eccentric block (14) is sleeved on the first shell (11), the upper end of the eccentric block (14) is connected with the motor (2), and the lower end of the eccentric block (14) is connected with the vibrating punch head (12).
2. A vibroflotation device with through bottom discharge according to claim 1, the motor (2) also comprises a second shell (22), a stator (23), a rotor (24), a motor shaft (25) and a motor end cover (26), the stator (23), the rotor (24) and the motor shaft (25) are all hollow structures, the bottom of the second shell (22) is fixedly connected with the first flange (3), the top of the second shell (22) is connected with a motor end cover (26), the stator (23) is arranged on the inner side of the second shell (22), a rotor (24) is arranged on the inner side of the stator (23), the rotor (24) is sleeved on the periphery of a motor shaft (25), the motor shaft (25) is sleeved on the periphery of the second circular tube (21), and the lower part of the motor shaft (25) penetrates through the first flange (3) and is connected with the eccentric block (14).
3. The vibroflotation equipment with through discharging from below of claim 2, characterized in that, the motor shaft (25) is provided with first self-aligning roller bearings (27) between both ends and the second pipe (21), and an oil seal (31) is provided between the lower part of the motor shaft (25) and the first flange (3).
4. The vibro-replacement device with through discharging function as claimed in claim 2, wherein the eccentric block (14) comprises a fan-shaped eccentric block body (141), the front end of the eccentric block body (141) is provided with a shaft hole (145), the upper end of the eccentric block body (141) is provided with a first groove, the lower end of the eccentric block body (141) is provided with a second groove, the first groove is communicated with the bottom of the second groove, the first groove is provided with a first cylinder (142), the second groove is provided with a second cylinder (143), the top end of the first cylinder (142) is provided with a second flange (144) for connecting with the motor shaft (25), the eccentric block (14) is sleeved on the periphery of the first circular tube (13), the second flange (144) is arranged on the top end of the first cylinder (142), and the second flange (144) is connected with the motor shaft (25), the second cylinder (143) is connected with the vibroflotation head (12), and the eccentric block (14) and the inner side of the first shell (11) are provided with rubber sleeves (16).
5. A vibro-impact device with through bottom discharge according to claim 4, characterized in that the outside diameter of the second flange (144) is the same as the outside diameter of the eccentric mass body (141), the inside diameter of the second flange (144), the inside diameter of the first cylinder (142), and the inside diameter of the second cylinder (143) are all the same, the inside diameter of the first cylinder (142) is larger than the diameter of the shaft hole (145), and the inside diameter of the second cylinder (143) is larger than the diameter of the shaft hole (145).
6. The vibroflotation equipment with through bottom discharging of claim 4, characterized in that, a shaft coupling (15) is installed on the second flange (144), a second self-aligning roller bearing (18) is arranged between the second cylinder (143) and the vibroflotation head (12), tapered roller bearings (19) are arranged between the first cylinder (142), the second cylinder (143) and the first cylinder (13), and the second flange (144) is connected with the motor shaft (25) through the shaft coupling (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011636654.5A CN112726560B (en) | 2020-12-31 | 2020-12-31 | Vibroflotation equipment with middle through lower discharging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011636654.5A CN112726560B (en) | 2020-12-31 | 2020-12-31 | Vibroflotation equipment with middle through lower discharging |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112726560A true CN112726560A (en) | 2021-04-30 |
| CN112726560B CN112726560B (en) | 2024-08-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011636654.5A Active CN112726560B (en) | 2020-12-31 | 2020-12-31 | Vibroflotation equipment with middle through lower discharging |
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| Country | Link |
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| CN (1) | CN112726560B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115928697A (en) * | 2022-11-30 | 2023-04-07 | 北京振冲工程机械有限公司 | Electric variable-frequency vibroflotation device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110318103A1 (en) * | 2009-01-30 | 2011-12-29 | Soletanche Freyssinet | Hydraulically-driven vibrating device for a vibratory compacting machine |
| CN106284286A (en) * | 2016-09-23 | 2017-01-04 | 上海港湾基础建设（集团）有限公司 | A kind of high penetrating power vibrating impacter reinforces method and the high penetrating power vibrating impacter of subgrade |
| CN211849384U (en) * | 2019-12-25 | 2020-11-03 | 中交第一航务工程局有限公司 | Anti-blocking vibration and impact device for foundation treatment |
| CN214363413U (en) * | 2020-12-31 | 2021-10-08 | 北京振冲工程机械有限公司 | Vibroflotation equipment with through and discharging |
-
2020
- 2020-12-31 CN CN202011636654.5A patent/CN112726560B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110318103A1 (en) * | 2009-01-30 | 2011-12-29 | Soletanche Freyssinet | Hydraulically-driven vibrating device for a vibratory compacting machine |
| CN106284286A (en) * | 2016-09-23 | 2017-01-04 | 上海港湾基础建设（集团）有限公司 | A kind of high penetrating power vibrating impacter reinforces method and the high penetrating power vibrating impacter of subgrade |
| CN211849384U (en) * | 2019-12-25 | 2020-11-03 | 中交第一航务工程局有限公司 | Anti-blocking vibration and impact device for foundation treatment |
| CN214363413U (en) * | 2020-12-31 | 2021-10-08 | 北京振冲工程机械有限公司 | Vibroflotation equipment with through and discharging |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115928697A (en) * | 2022-11-30 | 2023-04-07 | 北京振冲工程机械有限公司 | Electric variable-frequency vibroflotation device |
| CN115928697B (en) * | 2022-11-30 | 2023-06-20 | 北京振冲工程机械有限公司 | Electric frequency conversion vibroflotation device |
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| Publication number | Publication date |
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| CN112726560B (en) | 2024-08-30 |
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